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10220421211 = 7112136311471
BaseRepresentation
bin10011000010010111…
…10100000001011011
3222101021112012011221
421201023310001123
5131412411434321
64410055032511
7511162101250
oct114113640133
928337465157
1010220421211
114375185800
121b9296b737
13c6b574820
146cd53d427
153ec3ece41
hex2612f405b

10220421211 has 48 divisors (see below), whose sum is σ = 13857808384. Its totient is φ = 7334712000.

The previous prime is 10220421203. The next prime is 10220421221. The reversal of 10220421211 is 11212402201.

It is not a de Polignac number, because 10220421211 - 23 = 10220421203 is a prime.

It is not an unprimeable number, because it can be changed into a prime (10220421221) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 6947206 + ... + 6948676.

Almost surely, 210220421211 is an apocalyptic number.

10220421211 is a gapful number since it is divisible by the number (11) formed by its first and last digit.

10220421211 is a deficient number, since it is larger than the sum of its proper divisors (3637387173).

10220421211 is a wasteful number, since it uses less digits than its factorization.

10220421211 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2144 (or 2133 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 16.

Adding to 10220421211 its reverse (11212402201), we get a palindrome (21432823412).

The spelling of 10220421211 in words is "ten billion, two hundred twenty million, four hundred twenty-one thousand, two hundred eleven".

Divisors: 1 7 11 13 77 91 121 143 631 847 1001 1471 1573 4417 6941 8203 10297 11011 16181 19123 48587 57421 76351 90233 113267 133861 177991 210353 534457 631631 928201 992563 1245937 1472471 2313883 6497407 6947941 10210211 12066613 16197181 71471477 84466291 112312321 132732743 786186247 929129201 1460060173 10220421211